loongson/pypi: links for dowser-py3

loongson/mirror dowser_py3-0.2.1-py2.py3-none-any.whl
loongson/mirror dowser_py3-0.1.0-py2.py3-none-any.whl
loongson/mirror dowser-py3-0.2.1.tar.gz
loongson/mirror dowser-py3-0.1.0.tar.gz